acetonicadj.
/ˌasᵻˈtɒnɪk/, U.S. /ˌæsəˈtɑnɪk/ Chemistry.
Of, containing, or involving acetone; (also) smelling of acetone.Earliest in acetonic acid n. at Compounds.
ΚΠ
1848 J. Booth in Chem Gaz. 15 July 276 When glycerine is exposed with yeast and water to a temperature of 68° to 86°, it is converted into acetonic acid.
1902 U.S. Patent 692,775 1/1 Such acetyl derivatives of hydrocellulose..cannot be precipitated by water from such alcoholic or acetonic solutions.
1933 Industr. & Engin. Chem. 25 147 The alcoholic, acid, or acetonic fermentation of fibrous materials.
1960 Lancet 19 Nov. 120/2 He..was semiconscious, with acetonic breath and twitching limbs.
2005 Guardian 21 July (Life section) 3/2 ‘If you're close to this sort of stuff, you get a headache—that's the acetonic vapour,’ says Michels.
Compounds
acetonic acid n. a crystalline acid used in organic synthesis.Systematic name: 2-hydroxy-2-methylpropanoic acid, (CH3)2C(OH)COOH. Also called 1-hydroxyisobutyric acid.
ΚΠ
1848*Acetonic acid [see main sense].
1873 A. W. Williamson Chem. for Students (ed. 3) 295 Butylactic and oxybutyric acids are names given to acids of the same composition as acetonic acid.
1911 Jrnl. Amer. Chem. Soc. 33 387 We have here tribromo-tert-butyl alcohol, or the tribromide of acetonic acid.
1988 Jrnl. Chromatography A 457 336 The influence of the pH of the aqueous acetonic acid solution was examined.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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adj.1848